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CVE-2023-6853· NVD / CVE Program· CNA VulDB

kalcaddle KodExplorer app.php index server-side request forgery

Noroxi assessment

Priority: Monitor (action score 39/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.70% (FIRST EPSS); higher than 52.3% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: kalcaddle KodExplorer 4.52.01.
  • Severity is disputed: the assigning authority (CNA) scores it 6.3, NVD 9.8.

Low priority for now. Upgrade to kalcaddle KodExplorer 4.52.01 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A vulnerability classified as critical was found in kalcaddle KodExplorer up to 4.51.03. Affected by this vulnerability is the function index of the file plugins/officeLive/app.php. The manipulation of the argument path leads to server-side request forgery. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 4.52.01 is able to address this issue. The identifier of the patch is 5cf233f7556b442100cf67b5e92d57ceabb126c6. It is recommended to upgrade the affected component. The identifier VDB-248221 was assigned to this vulnerability.

CriticalCVSS 9.8 · v3.1—No exploit Fix available
Published
Dec 16, 2023
Updated
Jun 17, 2026
EPSS
0.7% · 52th percentile

Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
9.8
CNA · VulDB
6.3
3.5 point gap

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-6853

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
kodcloudkodexplorer

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • kodcloud kodexplorerbefore 4.52.01

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • kalcaddle KodExplorer

    • 4.51.03affected

Same product

kodcloud: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-6852kalcaddle KodExplorer app.php server-side request forgery
    39Monitor
  • CVE-2023-6851kalcaddle KodExplorer ZIP Archive app.php unzipList code injection
    39Monitor
  • CVE-2023-6850kalcaddle KodExplorer API Endpoint unrestricted upload
    39Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2023-37153Jul 10, 2023 · KodExplorer 4.51 contains a Cross-Site Scripting (XSS) vulnerability in the Description box of the Light App creation feature.
    24Monitor
  • ← EarlierCVE-2021-36646Sep 6, 2023 · A Cross Site Scrtpting (XSS) vulnerability in KodExplorer 4.45 allows remote attackers to run arbitrary code via /index.php page.
    24Monitor
  • Later →CVE-2023-49489Dec 19, 2023 · Reflective Cross Site Scripting (XSS) vulnerability in KodExplorer version 4.51, allows attackers to obtain sensitive information and escala
    24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
kalcaddle KodExplorer4.52.01 · descriptionVendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2023-68520 days apartkalcaddle KodExplorer app.php server-side request forgery
    39Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-918 · Server-Side Request Forgery (SSRF)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (4 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records